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Browsing by Author Abd-El-Khair, H.

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  • Field application of Trichoderma spp. combined with thiophanate-methyl for controlling Fusarium solani and Fusarium oxysporum in dry bean

    • Authors: Abd-El-Khair, H.;  Advisor: -;  Participants: Elshahawy, E.; Haggag, H.E.K. (2019)

  • Under greenhouse and field conditions, all treatments significantly reduced the incidence of damping-off and root rot/wilt diseases and increased the percentage of survival plants. These treatments increased vegetative growth parameters and yield components of the survival dry bean plants compared with untreated control. Soil application with Trichoderma isolates combined with thiophanate-methyl seed treatments was more effective than using both of them individually. Meanwhile, T. virens + thiophanate-methyl was the most effective treatment. The tested treatments stimulated systemic defense responses in dry bean plants by activating defense enzymes including peroxidase, polyphenoloxid...
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  • Protective effect of Bacillus subtilis, B. pumilus, and Pseudomonas fluorescens isolates against root knot nematode Meloidogyne incognita on cowpea

    • Authors: Abd-El-Khair, H.;  Advisor: -;  Participants: El-Nagdi, W.M.A.; Youssef, M.M.A.; Abd-Elgawad, M.M.M.; Dawood, M.G. (2019)

  • Bacillus subtilis (Bs2) recorded the highest average total percentage reduction (82%) of M. incognita reproductive parameters followed by B. pumilus Bp2 (81.8%). Also, Carbofuran 10% recorded the highest average total percentage reduction (76.5%) in terms of numbers of second-stage juveniles (J2) in plant roots and soil as well as nematode galls and eggmasses compared to the untreated check. The highest total average percentage plant growth increase (99%) was obtained by B. pumilus (Bp1), but B. subtilis (Bs2) and medium recorded 26.3 and 12.8% only, respectively. P. fluorescens (Pf1) scored the highest yield increase (97%) followed by Pf2 (63.8%). Number of bacterial nodules showed t...